... model Trailer axle main technical details : (1) Capacity :8ton ,9ton ,12 ton 13 ton ,14ton ,16 ton ,18 ton ,20 ton ... spindle is connected by the submerged -arc welding technology to make sure the whole beam be reliable .(6) AOTOG axle adopt no-asbestos ... forging and heat-treatment ,which make the spindle has strong strength .3 our axle spindle ,which is connected by the submerged -arc welding ,which ...